Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.
Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.
Top Cast
Jock Mahoney
Character: Commander Harold 'Alan' Roberts
Shirley Patterson
Character: Margaret 'Maggie' Hathaway
William Reynolds
Character: Lt. Jack Carmen
Henry Brandon
Character: Dr. Carl Hunter
Douglas Kennedy
Character: Capt. Burnham
Phil Harvey
Character: Machinist's Mate Steve Miller
Kenner G. Kemp
Character: Officer at Briefing / Officer on Ship (uncredited)
Bing Russell
Character: Radio Operator (uncredited)
Bert Stevens
Character: Officer at Briefing (uncredited)
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